MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a78e65c599449ae8f781711a5b432c95fd1c7ebbb4bb1c9353087e79b62f6489. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: a78e65c599449ae8f781711a5b432c95fd1c7ebbb4bb1c9353087e79b62f6489
SHA3-384 hash: 22a162c73574cf7d061043b9c7d6123c3707011b298b3b0a27fcbc5c1f7d92e8fc9127321f12c4a93cba4bf2380095ae
SHA1 hash: 8bbc2b24ed2e774cfa9b25ad297ba77ba918ec2d
MD5 hash: 6d7573b4d51642f7fa891bbda3d118fb
humanhash: chicken-romeo-one-cola
File name:QUOTATION DOC.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:993'280 bytes
First seen:2023-01-10 16:57:48 UTC
Last seen:2023-01-10 18:41:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:OQblzp5Zuxh4tUX2XA/ki4hJGs5nyyxDqEZV/NWCfgh/Wgfz:OuAxh4tUG2oGs5nyCDqEZVmh/Wgf
TLSH T14525012586A5664CFC3D93BB5122C9A803B7BE31DBB9D51D0DEB36D6CBFB21A0116103
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 6b4b346153455121 (9 x Formbook)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
QUOTATION DOC.exe
Verdict:
Malicious activity
Analysis date:
2023-01-10 17:01:00 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/3bc8a662-c617-4ccb-a39d-866fbd3c1975

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/351606/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1755.8271.10641.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63bd991c06f34cc0fa530e44/reports/444979d6-d923-41e4-828d-0c98551e571c/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0cbfa21c-f001-4afc-a80c-90f688a7f812
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1148976
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 781704 Sample: QUOTATION DOC.exe Startdate: 10/01/2023 Architecture: WINDOWS Score: 100 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for URL or domain 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 11 other signatures 2->68 10 QUOTATION DOC.exe 7 2->10         started        14 kfpUIcWSvCiwt.exe 5 2->14         started        process3 file4 46 C:\Users\user\AppData\...\kfpUIcWSvCiwt.exe, PE32 10->46 dropped 48 C:\...\kfpUIcWSvCiwt.exe:Zone.Identifier, ASCII 10->48 dropped 50 C:\Users\user\AppData\Local\...\tmp4C16.tmp, XML 10->50 dropped 52 C:\Users\user\...\QUOTATION DOC.exe.log, ASCII 10->52 dropped 76 Adds a directory exclusion to Windows Defender 10->76 78 Injects a PE file into a foreign processes 10->78 16 QUOTATION DOC.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        80 Multi AV Scanner detection for dropped file 14->80 82 Machine Learning detection for dropped file 14->82 84 Tries to detect virtualization through RDTSC time measurements 14->84 23 kfpUIcWSvCiwt.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 16->54 56 Maps a DLL or memory area into another process 16->56 58 Sample uses process hollowing technique 16->58 60 Queues an APC in another process (thread injection) 16->60 27 explorer.exe 16->27 injected 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 25->33         started        process8 process9 35 msdt.exe 27->35         started        38 explorer.exe 27->38         started        40 autochk.exe 27->40         started        signatures10 70 Modifies the context of a thread in another process (thread injection) 35->70 72 Maps a DLL or memory area into another process 35->72 74 Tries to detect virtualization through RDTSC time measurements 35->74 42 cmd.exe 1 35->42         started        process11 process12 44 conhost.exe 42->44         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a78e65c599449ae8f781711a5b432c95fd1c7ebbb4bb1c9353087e79b62f6489/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2023-01-10 13:16:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
19 of 40 (47.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u6hglrmzisnor54boenfwqzmsx6ry7v3ws5rze2tbb7htnrpmseq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ci07 rat spyware stealer trojan
Link:
https://tria.ge/reports/230110-vgtygsce3y/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/dbd1462b-26ff-421c-ac58-a6e86c002001
Unpacked files
SH256 hash:
df140d439eac7c6b3d92b93f099289a3c5aab8bb2700f76e96fe3cf1a5896c56
MD5 hash:
344610dcf21c8e20223b966898b761fe
SHA1 hash:
d4f36442fd63c9dbb8d70b6bf3f6dc06d2f6dfd5
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/cd85bccc-691e-45a7-99df-0e2159fbeee0/
Parent samples :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 hash:
d29f84025d12f655a2d6735d3a93cfa8aa5d75c6c80b5ed5253984bdb1906005
MD5 hash:
a05c0f0d7126478b67f836614b44d61b
SHA1 hash:
c64a21a9c88c351f5f1313e7e7c1124002570103
Link:
https://www.unpac.me/results/cd85bccc-691e-45a7-99df-0e2159fbeee0/
SH256 hash:
c47e2d12442ecc8e285ac50096896d2f5c5e7eb0d6be54c211011e8c440e2c83
MD5 hash:
134c8597c51c3ceb44400bc003c60fa2
SHA1 hash:
7ca835dd55c7a84175c03c86d2892719e3d05092
Link:
https://www.unpac.me/results/cd85bccc-691e-45a7-99df-0e2159fbeee0/
SH256 hash:
9bcd367f733e7da030c51a7c67eef7409b988e6ab55c3cdc030553ca4a10706a
MD5 hash:
4f69d7de9877d8ad35c1c1d292388d2f
SHA1 hash:
3e2fa86f822b084b8bd04184ba9547b11918dcd8
Link:
https://www.unpac.me/results/cd85bccc-691e-45a7-99df-0e2159fbeee0/
SH256 hash:
ce38b36283b8e0df09fdced8af4bcac0d4cf26c8596fb7117e15fad6175faf44
MD5 hash:
b6e66f49e8f3b90dbf1efa2a8906e83f
SHA1 hash:
13e79cbff7fbb58cba94ff585983a40f4850890e
Link:
https://www.unpac.me/results/cd85bccc-691e-45a7-99df-0e2159fbeee0/
SH256 hash:
a78e65c599449ae8f781711a5b432c95fd1c7ebbb4bb1c9353087e79b62f6489
MD5 hash:
6d7573b4d51642f7fa891bbda3d118fb
SHA1 hash:
8bbc2b24ed2e774cfa9b25ad297ba77ba918ec2d
Link:
https://www.unpac.me/results/cd85bccc-691e-45a7-99df-0e2159fbeee0/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a78e65c59944/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/a78e65c599449ae8f781711a5b432c95fd1c7ebbb4bb1c9353087e79b62f6489

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe a78e65c599449ae8f781711a5b432c95fd1c7ebbb4bb1c9353087e79b62f6489

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/351606/

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